Note 5 - Dispositions of Real Estate and Assets Held-for-sale (Details Textual) $ in Thousands, MXN in Millions		12 Months Ended
		Dec. 31, 2016 USD ($)	Dec. 31, 2016 MXN	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2016 MXN
Income Tax Expense (Benefit)		$ (72,545)		$ (60,230)	$ (22,438)
Foreign Currency Transaction Gain (Loss), Realized	[1]				(92,900)
Financing Receivable, Net					$ 52,700
Real Estate Investment Property, Accumulated Depreciation	[2]	$ 2,278,292		$ 2,115,320
Maximum [Member]
Debt Instrument, Interest Rate, Stated Percentage					7.00%
Latin America [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate					2.50%
Disposed Operating Properties [Member]
Number of Real Estate Properties					90
Disposed Operating Properties [Member] | Latin America [Member]
Number of Real Estate Properties					27
Operating Properties [Member]
Sales of Real Estate					$ 833,500
Impairment of Real Estate					178,000
Operating Properties [Member] | Initial Dispositions [Member]
Gain (Loss) on Sale of Properties					203,300
Operating Properties [Member] | MEXICO
Foreign Currency Transaction Gain (Loss), Realized					$ 92,900
Disposed Operating Properties [Member]
Number of Real Estate Properties		30		89		30
Disposed Out-parcels [Member]
Number of Real Estate Properties		2		8		2
Disposed Operating Properties and Out-parcels [Member]
Sales of Real Estate		$ 378,700		$ 492,500
Gain (Loss) on Sale of Properties		86,800		143,600
Impairment of Real Estate		37,200		10,200
Income Tax Expense (Benefit)		$ 10,000		2,300
Operating Property in Chile [Member]
Sales of Real Estate				51,300
Gain (Loss) on Sale of Properties				1,800
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax				$ (19,600)
Land Parcels [Member]
Number of Real Estate Properties		6		13	3	6
Sales of Real Estate		$ 3,900		$ 31,500	$ 5,100
Gain (Loss) on Sale of Properties		$ 1,900		$ 4,300	$ 3,500
Real Estate Held-for-sale [Member] | MEXICO | Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Number of Real Estate Properties		2				2
Impairment of Real Estate		$ 1,300	MXN 25.8
Real Estate Held-for-sale		9,200				MXN 121.9
Real Estate Investment Property, Accumulated Depreciation		$ 3,500				MXN 51.1

[1] Due to the substantial liquidation of its investment in Mexico, the Company recognized a loss from foreign currency translation related to consolidated properties in the amount of $92.9 million, before noncontrolling interest of $5.8 million.

[2] At December 31, 2016 and 2015, the Company had accumulated amortization relating to in-place leases, tenant relationships and above-market leases aggregating $409,062 and $357,581, respectively.